Plants 2 Group: Joan Sharp, Tina Hartney, David Puthoff
Learning Objective:
Compare the roles of photosynthesis and respiration in plants.
Formative Assessment
Small group activity:
CO2 has been labeled by 14C and taken in through the stomata of a mature leaf. Working in groups of 3 to 4, diagram and label the potential pathway and processes the carbon atom undergoes from introduction to either:
A. storage in the root as starch, or
B. incorporation into a sugar with later release as a gas.
Be sure to show and identify molecules that 14C could become part of.
Clicker Question:
For each plant structure, chose the best answer option
leaf mesophyll cell
xylem vessel element
root cell
below ground germinating seed
above ground portion of a young seedling
Answer Options:
photosynthesis only
respiration only
both photosynthesis and respiration
neither photosynthesis or respiration
Summative Assessment
Multiple Choice – Two Tier:
Treatment 1: light/no water (petri dish of seeds)
Treatment 2: light/water (petri dish with healthy young seedlings)
Treatment 3: No light/water (petri dish with yellowish young seedlings- taller than treatment 2)
Order the dry mass from lowest to highest.
a. Treatment 1, 2, 3
b. Treatment 2, 3, 1
c. Treatment 3, 1, 2
d. Treatment 3, 2, 1
e. Treatments are equal, i.e. all have the same dry mass.
Plants 2 Group: Joan Sharp, Tina Hartney, David Puthoff
Learning Objective:
Compare the roles of photosynthesis and respiration in plants.
Formative Assessment
Small group activity:
CO2 has been labeled by 14C and taken in through the stomata of a mature leaf. Working in groups of 3 to 4, diagram and label the potential pathway and processes the carbon atom undergoes from introduction to either:
A. storage in the root as starch, or
B. incorporation into a sugar with later release as a gas.
Be sure to show and identify molecules that 14C could become part of.
Clicker Question:
For each plant structure, chose the best answer option
Answer Options:
Summative Assessment
Multiple Choice – Two Tier:
Treatment 1: light/no water (petri dish of seeds)
Treatment 2: light/water (petri dish with healthy young seedlings)
Treatment 3: No light/water (petri dish with yellowish young seedlings- taller than treatment 2)
Order the dry mass from lowest to highest.
a. Treatment 1, 2, 3
b. Treatment 2, 3, 1
c. Treatment 3, 1, 2
d. Treatment 3, 2, 1
e. Treatments are equal, i.e. all have the same dry mass.
Explain the rationale for your choice.